from tkinter import*
print("Введите начальную координату X:")
x=int(int(input())
print("Введите начальную координату Y:")
y=int(int(input())
print("Введите коэффициент увеличения N:")
n=int(int(input())
coords = [ 0,0,10,0,10,10,20,10,20,20,10,20,10,30,0,30]
if N == 0 and X>= 0 and X<=500 and Y>=500:
      pass
else:
    if N>0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
        if N<0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+X<=500:
            pass
        else:
            print("Размер фигуры превышает максимальный размер поля")
            exit()

root = Tk()
root.title("")
root.geometry("500x500")
canvas = Canvas (bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(coords[0] *N+X,coords[1] *N+X,
                      coords[2] *N+X,coords[3] *N+X,
                      coords[4] *N+X,coords[5] *N+X,
                      coords[6] *N+X,coords[7] *N+X,
                      coords[8] *N+X,coords[9] *N+X,
                      coords[10] *N+X,coords[11] *N+X,
                      coords[12] *N+X,coords[13] *N+X,
                      coords[14] *N+X,coords[15] *N+X)
root.mainloop()
